Van Valkenburg, M. E.  1921- <br/><br/>
Analog filter design / 
M. E. Van Valkenburg. 
 - New York :  Holt Rinehart and Winston,  1982. 
 - 608 p. :  ill. ;  22 cm. 
<br/><br/> Holt-Saunders international editions. 
<br/><br/>Bibliography : p. 601-604. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric filters, Active.<br/>Operational amplifiers.